120001100123 has 8 divisors (see below), whose sum is σ = 120582544656. Its totient is φ = 119419776000.

The previous prime is 120001100117. The next prime is 120001100171. The reversal of 120001100123 is 321001100021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 120001100123 - 2¹² = 120001096027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120001106123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2465915 + ... + 2514107.

It is an arithmetic number, because the mean of its divisors is an integer number (15072818082).

Almost surely, 2^120001100123 is an apocalyptic number.

120001100123 is a deficient number, since it is larger than the sum of its proper divisors (581444533).

120001100123 is a wasteful number, since it uses less digits than its factorization.

120001100123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60205.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 120001100123 its reverse (321001100021), we get a palindrome (441002200144).

The spelling of 120001100123 in words is "one hundred twenty billion, one million, one hundred thousand, one hundred twenty-three".